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Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it.

zero vs. Zero

For me, zero means zero. My training is in mathematics and that starts out with the integers. :-) I would take a capitalized phrase as a trademark, as in "Coke Zero Soda." For this reason, I did not take exception to the phrase "Zero Jitter Mode". Here the term can easily be taken to be a name that reflects a design goal and it would be foolish for a purchaser to take this as a assertion that this goal was met. (But IANAL and nor familiar with the draconian U.K. advertising rules.)

The phrase that I take exception to is in fmak's original quote: "With this new and completely jitterless clock" Specifically, I take exception with the use of the word "completely" as this is physically not possible. "Totally eliminating jitter from the source" may be a bit of an exaggeration, but there is enough ambiguity in the phrase "from the source" to pass on this. Your white paper used the phrase, "zero source jitter" and this is also okay for the same reason.

I did a four year stint in the 1970's as the product manager for a line of computer data communications devices and got to write product requirements, user manuals, marketing brochures and white papers. I took great care in my selection of wording, so that my pants would never get more than slightly warm. :-)


Tony Lauck

"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar


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